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-rw-r--r--grub-core/term/terminfo.c796
1 files changed, 796 insertions, 0 deletions
diff --git a/grub-core/term/terminfo.c b/grub-core/term/terminfo.c
new file mode 100644
index 0000000..85ecf06
--- /dev/null
+++ b/grub-core/term/terminfo.c
@@ -0,0 +1,796 @@
+/* terminfo.c - simple terminfo module */
+/*
+ * GRUB -- GRand Unified Bootloader
+ * Copyright (C) 2003,2004,2005,2007 Free Software Foundation, Inc.
+ *
+ * GRUB is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * GRUB is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with GRUB. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+/*
+ * This file contains various functions dealing with different
+ * terminal capabilities. For example, vt52 and vt100.
+ */
+
+#include <grub/types.h>
+#include <grub/misc.h>
+#include <grub/mm.h>
+#include <grub/err.h>
+#include <grub/dl.h>
+#include <grub/term.h>
+#include <grub/terminfo.h>
+#include <grub/tparm.h>
+#include <grub/extcmd.h>
+#include <grub/i18n.h>
+#include <grub/time.h>
+#if defined(__powerpc__) && defined(GRUB_MACHINE_IEEE1275)
+#include <grub/ieee1275/ieee1275.h>
+#endif
+
+GRUB_MOD_LICENSE ("GPLv3+");
+
+#define ANSI_CSI 0x9b
+#define ANSI_CSI_STR "\x9b"
+
+static struct grub_term_output *terminfo_outputs;
+
+/* Get current terminfo name. */
+char *
+grub_terminfo_get_current (struct grub_term_output *term)
+{
+ struct grub_terminfo_output_state *data
+ = (struct grub_terminfo_output_state *) term->data;
+ return data->name;
+}
+
+/* Free *PTR and set *PTR to NULL, to prevent double-free. */
+static void
+grub_terminfo_free (char **ptr)
+{
+ grub_free (*ptr);
+ *ptr = 0;
+}
+
+static void
+grub_terminfo_all_free (struct grub_term_output *term)
+{
+ struct grub_terminfo_output_state *data
+ = (struct grub_terminfo_output_state *) term->data;
+
+ /* Free previously allocated memory. */
+ grub_terminfo_free (&data->name);
+ grub_terminfo_free (&data->gotoxy);
+ grub_terminfo_free (&data->cls);
+ grub_terminfo_free (&data->reverse_video_on);
+ grub_terminfo_free (&data->reverse_video_off);
+ grub_terminfo_free (&data->cursor_on);
+ grub_terminfo_free (&data->cursor_off);
+}
+
+/* Set current terminfo type. */
+grub_err_t
+grub_terminfo_set_current (struct grub_term_output *term,
+ const char *str)
+{
+ struct grub_terminfo_output_state *data
+ = (struct grub_terminfo_output_state *) term->data;
+ /* TODO
+ * Lookup user specified terminfo type. If found, set term variables
+ * as appropriate. Otherwise return an error.
+ *
+ * How should this be done?
+ * a. A static table included in this module.
+ * - I do not like this idea.
+ * b. A table stored in the configuration directory.
+ * - Users must convert their terminfo settings if we have not already.
+ * c. Look for terminfo files in the configuration directory.
+ * - /usr/share/terminfo is 6.3M on my system.
+ * - /usr/share/terminfo is not on most users boot partition.
+ * + Copying the terminfo files you want to use to the grub
+ * configuration directory is easier then (b).
+ * d. Your idea here.
+ */
+
+ grub_terminfo_all_free (term);
+
+ if (grub_strcmp ("vt100", str) == 0)
+ {
+ data->name = grub_strdup ("vt100");
+ data->gotoxy = grub_strdup ("\e[%i%p1%d;%p2%dH");
+ data->cls = grub_strdup ("\e[H\e[J");
+ data->reverse_video_on = grub_strdup ("\e[7m");
+ data->reverse_video_off = grub_strdup ("\e[m");
+ data->cursor_on = grub_strdup ("\e[?25h");
+ data->cursor_off = grub_strdup ("\e[?25l");
+ data->setcolor = NULL;
+ return grub_errno;
+ }
+
+ if (grub_strcmp ("vt100-color", str) == 0)
+ {
+ data->name = grub_strdup ("vt100-color");
+ data->gotoxy = grub_strdup ("\e[%i%p1%d;%p2%dH");
+ data->cls = grub_strdup ("\e[H\e[J");
+ data->reverse_video_on = grub_strdup ("\e[7m");
+ data->reverse_video_off = grub_strdup ("\e[m");
+ data->cursor_on = grub_strdup ("\e[?25h");
+ data->cursor_off = grub_strdup ("\e[?25l");
+ data->setcolor = grub_strdup ("\e[3%p1%dm\e[4%p2%dm");
+ return grub_errno;
+ }
+
+ if (grub_strcmp ("arc", str) == 0)
+ {
+ data->name = grub_strdup ("arc");
+ data->gotoxy = grub_strdup (ANSI_CSI_STR "%i%p1%d;%p2%dH");
+ data->cls = grub_strdup (ANSI_CSI_STR "2J");
+ data->reverse_video_on = grub_strdup (ANSI_CSI_STR "7m");
+ data->reverse_video_off = grub_strdup (ANSI_CSI_STR "0m");
+ data->cursor_on = 0;
+ data->cursor_off = 0;
+ data->setcolor = grub_strdup (ANSI_CSI_STR "3%p1%dm"
+ ANSI_CSI_STR "4%p2%dm");
+ return grub_errno;
+ }
+
+ if (grub_strcmp ("ieee1275", str) == 0
+ || grub_strcmp ("ieee1275-nocursor", str) == 0)
+ {
+ data->name = grub_strdup ("ieee1275");
+ data->gotoxy = grub_strdup ("\e[%i%p1%d;%p2%dH");
+ /* Clear the screen. Using serial console, screen(1) only recognizes the
+ * ANSI escape sequence. Using video console, Apple Open Firmware
+ * (version 3.1.1) only recognizes the literal ^L. So use both. */
+ data->cls = grub_strdup (" \e[2J");
+ data->reverse_video_on = grub_strdup ("\e[7m");
+ data->reverse_video_off = grub_strdup ("\e[m");
+ if (grub_strcmp ("ieee1275", str) == 0)
+ {
+ data->cursor_on = grub_strdup ("\e[?25h");
+ data->cursor_off = grub_strdup ("\e[?25l");
+ }
+ else
+ {
+ data->cursor_on = 0;
+ data->cursor_off = 0;
+ }
+ data->setcolor = grub_strdup ("\e[3%p1%dm\e[4%p2%dm");
+ return grub_errno;
+ }
+
+ if (grub_strcmp ("dumb", str) == 0)
+ {
+ data->name = grub_strdup ("dumb");
+ data->gotoxy = NULL;
+ data->cls = NULL;
+ data->reverse_video_on = NULL;
+ data->reverse_video_off = NULL;
+ data->cursor_on = NULL;
+ data->cursor_off = NULL;
+ data->setcolor = NULL;
+ return grub_errno;
+ }
+
+ return grub_error (GRUB_ERR_BAD_ARGUMENT, N_("unknown terminfo type `%s'"),
+ str);
+}
+
+grub_err_t
+grub_terminfo_output_register (struct grub_term_output *term,
+ const char *type)
+{
+ grub_err_t err;
+ struct grub_terminfo_output_state *data;
+
+ err = grub_terminfo_set_current (term, type);
+
+ if (err)
+ return err;
+
+ data = (struct grub_terminfo_output_state *) term->data;
+ data->next = terminfo_outputs;
+ terminfo_outputs = term;
+
+ return GRUB_ERR_NONE;
+}
+
+grub_err_t
+grub_terminfo_output_unregister (struct grub_term_output *term)
+{
+ struct grub_term_output **ptr;
+
+ for (ptr = &terminfo_outputs; *ptr;
+ ptr = &((struct grub_terminfo_output_state *) (*ptr)->data)->next)
+ if (*ptr == term)
+ {
+ grub_terminfo_all_free (term);
+ *ptr = ((struct grub_terminfo_output_state *) (*ptr)->data)->next;
+ return GRUB_ERR_NONE;
+ }
+ return grub_error (GRUB_ERR_BUG, "terminal not found");
+}
+
+/* Wrapper for grub_putchar to write strings. */
+static void
+putstr (struct grub_term_output *term, const char *str)
+{
+ struct grub_terminfo_output_state *data
+ = (struct grub_terminfo_output_state *) term->data;
+ while (*str)
+ data->put (term, *str++);
+}
+
+struct grub_term_coordinate
+grub_terminfo_getxy (struct grub_term_output *term)
+{
+ struct grub_terminfo_output_state *data
+ = (struct grub_terminfo_output_state *) term->data;
+
+ return data->pos;
+}
+
+void
+grub_terminfo_gotoxy (struct grub_term_output *term,
+ struct grub_term_coordinate pos)
+{
+ struct grub_terminfo_output_state *data
+ = (struct grub_terminfo_output_state *) term->data;
+
+ if (pos.x > grub_term_width (term) || pos.y > grub_term_height (term))
+ {
+ grub_error (GRUB_ERR_BUG, "invalid point (%u,%u)", pos.x, pos.y);
+ return;
+ }
+
+ if (data->gotoxy)
+ putstr (term, grub_terminfo_tparm (data->gotoxy, pos.y, pos.x));
+ else
+ {
+ if ((pos.y == data->pos.y) && (pos.x == data->pos.x - 1))
+ data->put (term, '\b');
+ }
+
+ data->pos = pos;
+}
+
+/* Clear the screen. */
+void
+grub_terminfo_cls (struct grub_term_output *term)
+{
+ struct grub_terminfo_output_state *data
+ = (struct grub_terminfo_output_state *) term->data;
+
+ putstr (term, grub_terminfo_tparm (data->cls));
+ grub_terminfo_gotoxy (term, (struct grub_term_coordinate) { 0, 0 });
+}
+
+void
+grub_terminfo_setcolorstate (struct grub_term_output *term,
+ const grub_term_color_state state)
+{
+ struct grub_terminfo_output_state *data
+ = (struct grub_terminfo_output_state *) term->data;
+
+ if (data->setcolor)
+ {
+ int fg;
+ int bg;
+ /* Map from VGA to terminal colors. */
+ const int colormap[8]
+ = { 0, /* Black. */
+ 4, /* Blue. */
+ 2, /* Green. */
+ 6, /* Cyan. */
+ 1, /* Red. */
+ 5, /* Magenta. */
+ 3, /* Yellow. */
+ 7, /* White. */
+ };
+
+ switch (state)
+ {
+ case GRUB_TERM_COLOR_STANDARD:
+ case GRUB_TERM_COLOR_NORMAL:
+ fg = grub_term_normal_color & 0x0f;
+ bg = grub_term_normal_color >> 4;
+ break;
+ case GRUB_TERM_COLOR_HIGHLIGHT:
+ fg = grub_term_highlight_color & 0x0f;
+ bg = grub_term_highlight_color >> 4;
+ break;
+ default:
+ return;
+ }
+
+ putstr (term, grub_terminfo_tparm (data->setcolor, colormap[fg & 7],
+ colormap[bg & 7]));
+ return;
+ }
+
+ switch (state)
+ {
+ case GRUB_TERM_COLOR_STANDARD:
+ case GRUB_TERM_COLOR_NORMAL:
+ putstr (term, grub_terminfo_tparm (data->reverse_video_off));
+ break;
+ case GRUB_TERM_COLOR_HIGHLIGHT:
+ putstr (term, grub_terminfo_tparm (data->reverse_video_on));
+ break;
+ default:
+ break;
+ }
+}
+
+void
+grub_terminfo_setcursor (struct grub_term_output *term, const int on)
+{
+ struct grub_terminfo_output_state *data
+ = (struct grub_terminfo_output_state *) term->data;
+
+ if (on)
+ putstr (term, grub_terminfo_tparm (data->cursor_on));
+ else
+ putstr (term, grub_terminfo_tparm (data->cursor_off));
+}
+
+/* The terminfo version of putchar. */
+void
+grub_terminfo_putchar (struct grub_term_output *term,
+ const struct grub_unicode_glyph *c)
+{
+ struct grub_terminfo_output_state *data
+ = (struct grub_terminfo_output_state *) term->data;
+
+ /* Keep track of the cursor. */
+ switch (c->base)
+ {
+ case '\a':
+ break;
+
+ case '\b':
+ case 127:
+ if (data->pos.x > 0)
+ data->pos.x--;
+ break;
+
+ case '\n':
+ if (data->pos.y < grub_term_height (term) - 1)
+ data->pos.y++;
+ break;
+
+ case '\r':
+ data->pos.x = 0;
+ break;
+
+ default:
+ if ((int) data->pos.x + c->estimated_width >= (int) grub_term_width (term) + 1)
+ {
+ data->pos.x = 0;
+ if (data->pos.y < grub_term_height (term) - 1)
+ data->pos.y++;
+ data->put (term, '\r');
+ data->put (term, '\n');
+ }
+ data->pos.x += c->estimated_width;
+ break;
+ }
+
+ data->put (term, c->base);
+}
+
+struct grub_term_coordinate
+grub_terminfo_getwh (struct grub_term_output *term)
+{
+ struct grub_terminfo_output_state *data
+ = (struct grub_terminfo_output_state *) term->data;
+
+ return data->size;
+}
+
+static void
+grub_terminfo_readkey (struct grub_term_input *term, int *keys, int *len, int max_len,
+ int (*readkey) (struct grub_term_input *term))
+{
+ int c;
+
+#define CONTINUE_READ \
+ { \
+ grub_uint64_t start; \
+ /* On 9600 we have to wait up to 12 milliseconds. */ \
+ start = grub_get_time_ms (); \
+ do \
+ c = readkey (term); \
+ while (c == -1 && grub_get_time_ms () - start < 100); \
+ if (c == -1) \
+ return; \
+ \
+ if (*len >= max_len) \
+ return; \
+ \
+ keys[*len] = c; \
+ (*len)++; \
+ }
+
+ c = readkey (term);
+ if (c < 0)
+ {
+ *len = 0;
+ return;
+ }
+ *len = 1;
+ keys[0] = c;
+ if (c != ANSI_CSI && c != GRUB_TERM_ESC)
+ {
+ /* Backspace: Ctrl-h. */
+ if (c == 0x7f)
+ c = GRUB_TERM_BACKSPACE;
+ if (c < 0x20 && c != GRUB_TERM_TAB && c!= GRUB_TERM_BACKSPACE && c != '\n' && c != '\r')
+ c = GRUB_TERM_CTRL | (c - 1 + 'a');
+ *len = 1;
+ keys[0] = c;
+ return;
+ }
+
+ {
+ static struct
+ {
+ char key;
+ unsigned ascii;
+ }
+ three_code_table[] =
+ {
+ {'4', GRUB_TERM_KEY_DC},
+ {'A', GRUB_TERM_KEY_UP},
+ {'B', GRUB_TERM_KEY_DOWN},
+ {'C', GRUB_TERM_KEY_RIGHT},
+ {'D', GRUB_TERM_KEY_LEFT},
+ {'F', GRUB_TERM_KEY_END},
+ {'H', GRUB_TERM_KEY_HOME},
+ {'K', GRUB_TERM_KEY_END},
+ {'P', GRUB_TERM_KEY_DC},
+ {'?', GRUB_TERM_KEY_PPAGE},
+ {'/', GRUB_TERM_KEY_NPAGE},
+ {'@', GRUB_TERM_KEY_INSERT},
+ };
+
+ static unsigned four_code_table[] =
+ {
+ [1] = GRUB_TERM_KEY_HOME,
+ [3] = GRUB_TERM_KEY_DC,
+ [5] = GRUB_TERM_KEY_PPAGE,
+ [6] = GRUB_TERM_KEY_NPAGE,
+ [7] = GRUB_TERM_KEY_HOME,
+ [8] = GRUB_TERM_KEY_END,
+ [17] = GRUB_TERM_KEY_F6,
+ [18] = GRUB_TERM_KEY_F7,
+ [19] = GRUB_TERM_KEY_F8,
+ [20] = GRUB_TERM_KEY_F9,
+ [21] = GRUB_TERM_KEY_F10,
+ [23] = GRUB_TERM_KEY_F11,
+ [24] = GRUB_TERM_KEY_F12,
+ };
+ char fx_key[] =
+ { 'P', 'Q', 'w', 'x', 't', 'u',
+ 'q', 'r', 'p', 'M', 'A', 'B', 'H', 'F' };
+ unsigned fx_code[] =
+ { GRUB_TERM_KEY_F1, GRUB_TERM_KEY_F2, GRUB_TERM_KEY_F3,
+ GRUB_TERM_KEY_F4, GRUB_TERM_KEY_F5, GRUB_TERM_KEY_F6,
+ GRUB_TERM_KEY_F7, GRUB_TERM_KEY_F8, GRUB_TERM_KEY_F9,
+ GRUB_TERM_KEY_F10, GRUB_TERM_KEY_F11, GRUB_TERM_KEY_F12,
+ GRUB_TERM_KEY_HOME, GRUB_TERM_KEY_END };
+ unsigned i;
+
+ if (c == GRUB_TERM_ESC)
+ {
+ CONTINUE_READ;
+
+ if (c == 'O')
+ {
+ CONTINUE_READ;
+
+ for (i = 0; i < ARRAY_SIZE (fx_key); i++)
+ if (fx_key[i] == c)
+ {
+ keys[0] = fx_code[i];
+ *len = 1;
+ return;
+ }
+ }
+
+ if (c != '[')
+ return;
+ }
+
+ CONTINUE_READ;
+
+ for (i = 0; i < ARRAY_SIZE (three_code_table); i++)
+ if (three_code_table[i].key == c)
+ {
+ keys[0] = three_code_table[i].ascii;
+ *len = 1;
+ return;
+ }
+
+ switch (c)
+ {
+ case '[':
+ CONTINUE_READ;
+ if (c >= 'A' && c <= 'E')
+ {
+ keys[0] = GRUB_TERM_KEY_F1 + c - 'A';
+ *len = 1;
+ return;
+ }
+ return;
+ case 'O':
+ CONTINUE_READ;
+ for (i = 0; i < ARRAY_SIZE (fx_key); i++)
+ if (fx_key[i] == c)
+ {
+ keys[0] = fx_code[i];
+ *len = 1;
+ return;
+ }
+ return;
+
+ case '0':
+ {
+ int num = 0;
+ CONTINUE_READ;
+ if (c != '0' && c != '1')
+ return;
+ num = (c - '0') * 10;
+ CONTINUE_READ;
+ if (c < '0' || c > '9')
+ return;
+ num += (c - '0');
+ if (num == 0 || num > 12)
+ return;
+ CONTINUE_READ;
+ if (c != 'q')
+ return;
+ keys[0] = fx_code[num - 1];
+ *len = 1;
+ return;
+ }
+
+ case '1' ... '9':
+ {
+ unsigned val = c - '0';
+ CONTINUE_READ;
+ if (c >= '0' && c <= '9')
+ {
+ val = val * 10 + (c - '0');
+ CONTINUE_READ;
+ }
+ if (c != '~')
+ return;
+ if (val >= ARRAY_SIZE (four_code_table)
+ || four_code_table[val] == 0)
+ return;
+ keys[0] = four_code_table[val];
+ *len = 1;
+ return;
+ }
+ default:
+ return;
+ }
+ }
+#undef CONTINUE_READ
+}
+
+/* The terminfo version of getkey. */
+int
+grub_terminfo_getkey (struct grub_term_input *termi)
+{
+ struct grub_terminfo_input_state *data
+ = (struct grub_terminfo_input_state *) (termi->data);
+ if (data->npending)
+ {
+ int ret;
+ data->npending--;
+ ret = data->input_buf[0];
+ grub_memmove (data->input_buf, data->input_buf + 1, data->npending
+ * sizeof (data->input_buf[0]));
+ return ret;
+ }
+
+ grub_terminfo_readkey (termi, data->input_buf, &data->npending,
+ GRUB_TERMINFO_READKEY_MAX_LEN, data->readkey);
+
+#if defined(__powerpc__) && defined(GRUB_MACHINE_IEEE1275)
+ if (data->npending == 1 && data->input_buf[0] == GRUB_TERM_ESC
+ && grub_ieee1275_test_flag (GRUB_IEEE1275_FLAG_BROKEN_REPEAT)
+ && grub_get_time_ms () - data->last_key_time < 1000
+ && (data->last_key & GRUB_TERM_EXTENDED))
+ {
+ data->npending = 0;
+ data->last_key_time = grub_get_time_ms ();
+ return data->last_key;
+ }
+#endif
+
+ if (data->npending)
+ {
+ int ret;
+ data->npending--;
+ ret = data->input_buf[0];
+#if defined(__powerpc__) && defined(GRUB_MACHINE_IEEE1275)
+ if (grub_ieee1275_test_flag (GRUB_IEEE1275_FLAG_BROKEN_REPEAT))
+ {
+ data->last_key = ret;
+ data->last_key_time = grub_get_time_ms ();
+ }
+#endif
+ grub_memmove (data->input_buf, data->input_buf + 1, data->npending
+ * sizeof (data->input_buf[0]));
+ return ret;
+ }
+
+ return GRUB_TERM_NO_KEY;
+}
+
+grub_err_t
+grub_terminfo_input_init (struct grub_term_input *termi)
+{
+ struct grub_terminfo_input_state *data
+ = (struct grub_terminfo_input_state *) (termi->data);
+ data->npending = 0;
+
+ return GRUB_ERR_NONE;
+}
+
+grub_err_t
+grub_terminfo_output_init (struct grub_term_output *term)
+{
+ grub_terminfo_cls (term);
+ return GRUB_ERR_NONE;
+}
+
+/* GRUB Command. */
+
+static grub_err_t
+print_terminfo (void)
+{
+ const char *encoding_names[(GRUB_TERM_CODE_TYPE_MASK
+ >> GRUB_TERM_CODE_TYPE_SHIFT) + 1]
+ = {
+ /* VGA and glyph descriptor types are just for completeness,
+ they are not used on terminfo terminals.
+ */
+ [GRUB_TERM_CODE_TYPE_ASCII >> GRUB_TERM_CODE_TYPE_SHIFT] = _("ASCII"),
+ [GRUB_TERM_CODE_TYPE_CP437 >> GRUB_TERM_CODE_TYPE_SHIFT] = "CP-437",
+ [GRUB_TERM_CODE_TYPE_UTF8_LOGICAL >> GRUB_TERM_CODE_TYPE_SHIFT]
+ = _("UTF-8"),
+ [GRUB_TERM_CODE_TYPE_UTF8_VISUAL >> GRUB_TERM_CODE_TYPE_SHIFT]
+ /* TRANSLATORS: visually ordered UTF-8 is a non-compliant encoding
+ based on UTF-8 with right-to-left languages written in reverse.
+ Used on some terminals. Normal UTF-8 is refered as
+ "logically-ordered UTF-8" by opposition. */
+ = _("visually-ordered UTF-8"),
+ [GRUB_TERM_CODE_TYPE_VISUAL_GLYPHS >> GRUB_TERM_CODE_TYPE_SHIFT]
+ = "Glyph descriptors",
+ _("Unknown encoding"), _("Unknown encoding"), _("Unknown encoding")
+ };
+ struct grub_term_output *cur;
+
+ grub_puts_ (N_("Current terminfo types:"));
+ for (cur = terminfo_outputs; cur;
+ cur = ((struct grub_terminfo_output_state *) cur->data)->next)
+ grub_printf ("%s: %s\t%s\t%dx%d\n", cur->name,
+ grub_terminfo_get_current(cur),
+ encoding_names[(cur->flags & GRUB_TERM_CODE_TYPE_MASK)
+ >> GRUB_TERM_CODE_TYPE_SHIFT],
+ ((struct grub_terminfo_output_state *) cur->data)->pos.x,
+ ((struct grub_terminfo_output_state *) cur->data)->pos.y);
+
+ return GRUB_ERR_NONE;
+}
+
+static const struct grub_arg_option options[] =
+{
+ {"ascii", 'a', 0, N_("Terminal is ASCII-only [default]."), 0, ARG_TYPE_NONE},
+ {"utf8", 'u', 0, N_("Terminal is logical-ordered UTF-8."), 0, ARG_TYPE_NONE},
+ {"visual-utf8", 'v', 0, N_("Terminal is visually-ordered UTF-8."), 0,
+ ARG_TYPE_NONE},
+ {"geometry", 'g', 0, N_("Terminal has specified geometry."),
+ /* TRANSLATORS: "x" has to be entered in, like an identifier, so please don't
+ use better Unicode codepoints. */
+ N_("WIDTHxHEIGHT."), ARG_TYPE_STRING},
+ {0, 0, 0, 0, 0, 0}
+};
+
+enum
+ {
+ OPTION_ASCII,
+ OPTION_UTF8,
+ OPTION_VISUAL_UTF8,
+ OPTION_GEOMETRY
+ };
+
+static grub_err_t
+grub_cmd_terminfo (grub_extcmd_context_t ctxt, int argc, char **args)
+{
+ struct grub_term_output *cur;
+ int encoding = GRUB_TERM_CODE_TYPE_ASCII;
+ struct grub_arg_list *state = ctxt->state;
+ int w = 0, h = 0;
+
+ if (argc == 0)
+ return print_terminfo ();
+
+ if (state[OPTION_ASCII].set)
+ encoding = GRUB_TERM_CODE_TYPE_ASCII;
+
+ if (state[OPTION_UTF8].set)
+ encoding = GRUB_TERM_CODE_TYPE_UTF8_LOGICAL;
+
+ if (state[OPTION_VISUAL_UTF8].set)
+ encoding = GRUB_TERM_CODE_TYPE_UTF8_VISUAL;
+
+ if (state[OPTION_GEOMETRY].set)
+ {
+ const char *ptr = state[OPTION_GEOMETRY].arg;
+ w = grub_strtoul (ptr, &ptr, 0);
+ if (grub_errno)
+ return grub_errno;
+ if (*ptr != 'x')
+ return grub_error (GRUB_ERR_BAD_ARGUMENT,
+ N_("incorrect terminal dimensions specification"));
+ ptr++;
+ h = grub_strtoul (ptr, &ptr, 0);
+ if (grub_errno)
+ return grub_errno;
+ }
+
+ for (cur = terminfo_outputs; cur;
+ cur = ((struct grub_terminfo_output_state *) cur->data)->next)
+ if (grub_strcmp (args[0], cur->name) == 0
+ || (grub_strcmp (args[0], "ofconsole") == 0
+ && grub_strcmp ("console", cur->name) == 0))
+ {
+ cur->flags = (cur->flags & ~GRUB_TERM_CODE_TYPE_MASK) | encoding;
+
+ if (w && h)
+ {
+ struct grub_terminfo_output_state *data
+ = (struct grub_terminfo_output_state *) cur->data;
+ data->size.x = w;
+ data->size.y = h;
+ }
+
+ if (argc == 1)
+ return GRUB_ERR_NONE;
+
+ return grub_terminfo_set_current (cur, args[1]);
+ }
+
+ return grub_error (GRUB_ERR_BAD_ARGUMENT,
+ N_("terminal %s isn't found or it's not handled by terminfo"),
+ args[0]);
+}
+
+static grub_extcmd_t cmd;
+
+GRUB_MOD_INIT(terminfo)
+{
+ cmd = grub_register_extcmd ("terminfo", grub_cmd_terminfo, 0,
+ N_("[[-a|-u|-v] [-g WxH] [TERM] [TYPE]]"),
+ N_("Set terminfo type of TERM to TYPE.\n"),
+ options);
+}
+
+GRUB_MOD_FINI(terminfo)
+{
+ grub_unregister_extcmd (cmd);
+}